397960380

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{2210891}}^1$

素因数の和:2210906

約数の個数: 36

約数和(自身を含む): 1207147032

約数和(自身を除く): 809186652

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 2210891, 4421782, 6632673, 8843564, 11054455, 13265346, 19898019, 22108910, 26530692, 33163365, 39796038, 44217820, 66326730, 79592076, 99490095, 132653460, 198980190, 397960380]

約数ペア:

[(1, 397960380), (2, 198980190), (3, 132653460), (4, 99490095), (5, 79592076), (6, 66326730), (9, 44217820), (10, 39796038), (12, 33163365), (15, 26530692), (18, 22108910), (20, 19898019), (30, 13265346), (36, 11054455), (45, 8843564), (60, 6632673), (90, 4421782), (180, 2210891)]